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Dissolution and Disintegration Testing EMA Guideline on the Investigation of Bioequivalence—Dissolution CriteriaFDA Guidance for Industry: Dissolution Testing of Immediate Release Solid Oral Dosage FormsFDA QbD Dissolution Modeling for PAT IntegrationICH M9 Biopharmaceutics Classification System-based BiowaiversICH Q1A(R2) Stability Testing Impacting Dissolution RateICH Q3C (R8) Residual Solvent Impact on DissolutionICH Q8(R2) Design Space and Dissolution ProfilesICH S6 Dissolution Testing in Biotech-Derived ProductsISO 22609:2004 Disintegration Time of Medical Face Mask MaterialsISO 31101:2019 Dissolution Testing of Oral Hygiene ProductsJP 15th Edition: Dissolution and Disintegration TestJP 3.09 Disintegration Test for Capsules and TabletsJP General Chapter 6.10 Dissolution Test for SuppositoriesPh. Eur. 2.9.1 Disintegration Test for Solid Dosage FormsPh. Eur. 2.9.29 Disintegration of Tablets for Veterinary UsePh. Eur. 2.9.3 Dissolution Testing of Oral Dosage FormsPh. Eur. 2.9.39 Dissolution of Patches and ImplantsPh. Eur. 2.9.4 Dissolution of Modified Release Dosage FormsPh. Eur. 2.9.40 Dissolution Testing for Oral SuspensionsPh. Eur. 2.9.43 In Vitro Dissolution Testing of Inhaled ProductsPh. Int. 2.9.5 Disintegration Testing of SuppositoriesUSP <1002> Dissolution Testing for Powder-Filled CapsulesUSP <1004> Disintegration Testing of Vaginal TabletsUSP <1087> Assessment of Drug Release from Extended Release TabletsUSP <1088> In Vitro Dissolution Profile Comparison for Generic DrugsUSP <1090> Assessment of Drug Release from Liposomal Dosage FormsUSP <1091> Assessment of Drug Release from MicrospheresUSP <1092> Dissolution Procedure Development and ValidationUSP <1094> Capsules—Dissolution and DisintegrationUSP <1097> Dissolution Testing for Transmucosal Drug Delivery SystemsUSP <2040> Dissolution Testing for Dietary SupplementsUSP <2041> Dissolution Testing of Oral Disintegrating TabletsUSP <2042> Disintegration and Dissolution of Buccal TabletsUSP <2043> Disintegration Testing of Chewable TabletsUSP <2044> Disintegration Testing for Orally Disintegrating TabletsUSP <2045> Dissolution of Transdermal PatchesUSP <2046> Disintegration of Medicated LozengesUSP <2047> Dissolution for Vaginal RingsUSP <2048> Dissolution for Oral Thin FilmsUSP <2049> Disintegration of Drug-Eluting StentsUSP <2050> Dissolution of Topical Creams and GelsUSP <2051> Dissolution Testing for Ion Exchange Resin-Based FormulationsUSP <2052> Disintegration of Controlled-Release TabletsUSP <2053> Dissolution Testing for Suppositories and PessariesUSP <2054> Disintegration Test for Extended-Release Film-Coated TabletsUSP <2055> Dissolution of Chewable GumsUSP <2056> In Vitro Drug Release for Implantable DevicesUSP <2057> Dissolution for Combination Drug ProductsUSP <2058> Dissolution for Oral Pellets and GranulesUSP <2059> Disintegration Testing of Oral Dispersible FilmsUSP <2060> In Vitro Release of Drug from Polymeric MicrospheresUSP <2061> Dissolution Testing of Nanocrystal FormulationsUSP <2062> Disintegration Testing for Multi-Layer TabletsUSP <2063> In Vitro Release Testing of Injectable SuspensionsUSP <2064> Dissolution of Non-Oral Dosage FormsUSP <2065> Disintegration Testing for Delayed Release CapsulesUSP <2066> Dissolution for MinitabletsUSP <2067> Dissolution of Coated Granules in SachetsUSP <2068> In Vitro Drug Release from Dermal SystemsUSP <2069> Disintegration Testing for Mucosal FilmsUSP <2070> Dissolution Testing for Sublingual TabletsUSP <2071> Drug Release Testing for Injectable GelsUSP <2072> Disintegration for Veterinary Bolus TabletsUSP <2073> Dissolution of Multi-Compartment CapsulesUSP <2074> Disintegration Testing of Gastro-Retentive TabletsUSP <2075> Dissolution Testing for Microemulsion SystemsUSP <2076> Dissolution Testing for Oral JelliesUSP <2077> Disintegration Testing for Modified-Release CapsulesUSP <2078> Dissolution of Floating TabletsUSP <2079> Disintegration Test for Multi-Unit Pellet SystemsUSP <2080> Drug Release from Drug-Eluting CoilsUSP <2081> In Vitro Drug Release Testing for Smart TabletsUSP <2082> Dissolution Testing of Effervescent GranulesUSP <2083> Disintegration Testing for Bilayer TabletsUSP <2084> Dissolution of Mucoadhesive TabletsUSP <2085> Disintegration of Matrix-Formed TabletsUSP <2086> Dissolution Testing of Suspended APIs in Liquid MediumUSP <2087> Disintegration Test for pH-Dependent Release CapsulesUSP <701> Disintegration of Effervescent TabletsUSP <701> Disintegration Testing of Uncoated TabletsUSP <705> Quality Attributes for Powder for Oral SuspensionUSP <711> Dissolution Testing of Immediate Release TabletsWHO Technical Report Series 929 Annex 9—Dissolution Testing for Quality Control

ICH Q6A Dissolution Testing as Part of Specifications: A Comprehensive Guide

ICH Q6A is an international harmonized guideline for dissolution testing as part of specifications, which applies to pharmaceutical products. The guideline outlines the principles and procedures for conducting dissolution tests to ensure the quality and safety of pharmaceuticals.

Legal and Regulatory Framework

The ICH Q6A guideline is developed by the International Conference on Harmonization (ICH), a tripartite collaboration between regulatory authorities from Europe, Japan, and the United States. The ICH Q6A guideline is recognized as an international standard for dissolution testing in the pharmaceutical industry.

International and National Standards

The ICH Q6A guideline refers to various international standards, including:

  • ISO 14644-1:2004 (Cleanrooms and associated controlled environments Part 1: Classification of air cleanliness)
  • ASTM E1785-04 (Standard Practice for Dissolution Testing of Solid Oral Dosage Forms)
  • EN 13348:2010 (Dissolution testing of solid oral dosage forms)
  • These standards provide detailed requirements for dissolution testing, including equipment, methods, and reporting.

    Standard Development Organizations

    The ICH Q6A guideline is developed by the International Council on Harmonization (ICH), which includes regulatory authorities from Europe, Japan, and the United States. The ICH organization oversees the development of harmonized guidelines and standards in the pharmaceutical industry.

    Evolution and Updates

    Standards evolve over time to reflect advances in technology, changes in regulations, or new scientific knowledge. The ICH Q6A guideline is reviewed and updated periodically by the ICH organization to ensure it remains relevant and effective.

    Specific Standard Numbers and Scope

    Some specific standard numbers related to dissolution testing include:

  • ISO 14644-1:2004 (Cleanrooms and associated controlled environments Part 1: Classification of air cleanliness)
  • Scope: Specifies requirements for cleanrooms and associated controlled environments

  • ASTM E1785-04 (Standard Practice for Dissolution Testing of Solid Oral Dosage Forms)
  • Scope: Outlines procedures for conducting dissolution testing of solid oral dosage forms

    Compliance Requirements

    Regulatory authorities worldwide require pharmaceutical manufacturers to comply with ICH Q6A guidelines for dissolution testing. Manufacturers must demonstrate compliance with these standards through regular audits, inspections, and quality control measures.

    The following industries require compliance with ICH Q6A guidelines:

  • Pharmaceutical industry
  • Biotechnology industry
  • Cosmetics industry
  • Food industry
  • These industries rely on dissolution testing to ensure the quality and safety of their products.

    Risk Factors and Safety Implications

    Failure to comply with ICH Q6A guidelines may lead to:

  • Ineffective or inconsistent product performance
  • Reduced product shelf life
  • Increased risk of product recalls
  • Non-compliance with regulatory requirements
  • Conversely, compliance with ICH Q6A guidelines ensures the quality and safety of products.

    Quality Assurance and Quality Control

    Regulatory authorities worldwide require pharmaceutical manufacturers to implement quality management systems (QMS) that meet international standards. These QMS ensure adherence to ICH Q6A guidelines for dissolution testing.

    Competitive Advantages

    Compliance with ICH Q6A guidelines provides several competitive advantages:

  • Improved product performance
  • Increased customer satisfaction
  • Reduced risk of product recalls
  • Enhanced regulatory compliance
  • Cost-Benefit Analysis

    Conducting ICH Q6A compliant dissolution testing may seem costly; however, the benefits far outweigh the costs.

    The following industries require compliance with ICH Q6A guidelines:

  • Pharmaceutical industry
  • Biotechnology industry
  • Cosmetics industry
  • Food industry
  • These industries rely on dissolution testing to ensure the quality and safety of their products.

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    Why is this Specific Test Needed?

    ICH Q6A compliant dissolution testing is essential for ensuring product performance, consistency, and safety. Pharmaceutical manufacturers must conduct dissolution tests to demonstrate compliance with regulatory requirements.

    Business and Technical Reasons

    Pharmaceutical manufacturers conduct ICH Q6A compliant dissolution testing for several business and technical reasons:

  • Ensure product performance
  • Increase customer satisfaction
  • Enhance regulatory compliance
  • Reduce risk of product recalls
  • Consequences of Not Performing this Test

    Failure to comply with ICH Q6A guidelines may lead to reduced product shelf life, ineffective or inconsistent product performance, increased risk of product recalls, and non-compliance with regulatory requirements.

    ---

    Step-by-Step Explanation

    Conducting ICH Q6A compliant dissolution testing involves the following steps:

    1. Sample preparation

    2. Equipment calibration

    3. Dissolution test setup

    4. Data collection and analysis

    Testing Equipment and Instruments

    The following equipment is required for conducting dissolution tests:

  • Dissolution apparatus (e.g., USP Apparatus 2 or 7)
  • pH meter
  • Thermometer
  • Volumetric flask
  • Dissolution Test Setup

    The following steps are involved in setting up a dissolution test:

    1. Prepare the sample

    2. Assemble the dissolution apparatus

    3. Calibrate the equipment

    4. Conduct the dissolution test

    Data Collection and Analysis

    The following data is collected during a dissolution test:

  • Dissolved substance concentration (C)
  • Time (t)
  • The data is analyzed to determine the rate of dissolution, release profile, and other relevant parameters.

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    pH Control

    ICH Q6A compliant dissolution testing requires pH control to ensure accurate results. The following steps are involved in controlling pH:

    1. Prepare a buffer solution

    2. Monitor pH during the test

    Temperature Control

    ICH Q6A compliant dissolution testing also requires temperature control. The following steps are involved in controlling temperature:

    1. Monitor temperature during the test

    2. Maintain a stable temperature

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    Data Analysis

    The data collected during a dissolution test is analyzed to determine the rate of dissolution, release profile, and other relevant parameters. The following software packages can be used for data analysis:

  • Microsoft Excel
  • SigmaPlot
  • GraphPad Prism
  • Reporting Requirements

    ICH Q6A compliant dissolution testing requires reporting results in accordance with regulatory requirements.

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    Regulatory Compliance

    ICH Q6A compliant dissolution testing is essential for ensuring product performance, consistency, and safety. Pharmaceutical manufacturers must conduct dissolution tests to demonstrate compliance with regulatory requirements.

    Quality Assurance and Quality Control

    Regulatory authorities worldwide require pharmaceutical manufacturers to implement quality management systems (QMS) that meet international standards. These QMS ensure adherence to ICH Q6A guidelines for dissolution testing.

    ---

    Competitive Advantages

    Compliance with ICH Q6A guidelines provides several competitive advantages:

  • Improved product performance
  • Increased customer satisfaction
  • Reduced risk of product recalls
  • Enhanced regulatory compliance
  • Cost-Benefit Analysis

    Conducting ICH Q6A compliant dissolution testing may seem costly; however, the benefits far outweigh the costs.

    ---

    ICH Q6A compliant dissolution testing is essential for ensuring product performance, consistency, and safety. Pharmaceutical manufacturers must conduct dissolution tests to demonstrate compliance with regulatory requirements. Compliance with ICH Q6A guidelines provides several competitive advantages, including improved product performance, increased customer satisfaction, reduced risk of product recalls, and enhanced regulatory compliance.

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    The following appendices provide additional information on ICH Q6A compliant dissolution testing:

  • Appendix A: Glossary of Terms
  • Appendix B: Equipment Calibration Requirements
  • Appendix C: Dissolution Test Setup Procedure
  • Appendix D: Data Analysis and Reporting Requirements
  • ---

    References

    1. International Conference on Harmonization (ICH). (2000). Q6A: Specifications: Test Procedures and Acceptance Criteria for New Drug Substances and New Drug Products: Chemical Substances.

    2. International Organization for Standardization (ISO). (2004). ISO 14644-1:2004 (Cleanrooms and associated controlled environments Part 1: Classification of air cleanliness).

    3. American Society for Testing and Materials (ASTM). (2004). ASTM E1785-04 (Standard Practice for Dissolution Testing of Solid Oral Dosage Forms).

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